Home / 18,927,646.36-26,120,223.38-11,961,419.70

Finding the Fourth Proportional to 18,927,646.36, 26,120,223.38 and 11,961,419.70

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Solution

The fourth proportional to 18,927,646.36, 26,120,223.38 and 11,961,419.70 is: 16,506,804.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,646.36 : 26,120,223.38 = 11,961,419.70 : x
  2. Step 2: Convert to fraction form
    18,927,646.36/26,120,223.38 = 11,961,419.70/x
  3. Step 3: Cross multiply
    18,927,646.36x = 26,120,223.38 × 11,961,419.70
  4. Step 4: Simplify right side
    18,927,646.36x = 312,434,954,505,932.56
  5. Step 5: Solve for x
    x = 312,434,954,505,932.56/18,927,646.36
  6. Step 6: Final answer
    x = 16,506,804.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.